OpenTrade CEX Trading 39 API endpoints for centralized exchange trading — market data, public metadata, account management, spot & futures orders, positions, and leverage. IMPORTANT : This is a CEX (centralized exchange) trading skill. All trades are executed server-side with built-in risk controls — no private key management or transaction signing required. IMPORTANT : Write operations (place order, close position, set leverage) are protected by a 4-layer risk engine: price deviation check, position limit, rate limit, and balance verification. CRITICAL — Required Parameters for Orders : - (R…